Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2006-03-23
Phys.Lett. B617 (2005) 157
Physics
High Energy Physics
High Energy Physics - Phenomenology
Scientific paper
10.1016/j.physletb.2005.05.005
We compute the dimension-2 gluon pair condensate $g^2<{AA}>$ and the dimension-4 mixed quark-gluon condensate $<\bar{q}gA\cdot\gamma{q}>$ in Landau gauge within the framework of global color model. The result for the dynamical gluon mass is within the range given by other independent determinations. The obtained mixed Landau gauge condensate $<\bar{q}gA\cdot\gamma{q}>$ is clearly dependent on the definitions of the condensates. We show that the consistent result may be obtained when the same definitions are used.
Zhang Zhao
Zhao Wei-Qin
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